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Article
Correction to: Nuclear-moment measurement using highly spin-aligned RI beams: Recent activities at RIBF
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Article
Nuclear-moment measurement using highly spin-aligned RI beams: Recent activities at RIBF
The magnetic dipole moment and the electric quadrupole moment are the nuclear moments that provide us with key information about the proton and neutron configurations in a nucleus and the shape of a nucleus, r...
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Article
Interplay between nuclear shell evolution and shape deformation revealed by the magnetic moment of 75Cu
Exotic nuclei are characterized by having a number of neutrons (or protons) in excess relative to stable nuclei. Their shell structure, which represents single-particle motion in a nucleus1,2, may vary due to nuc...
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Article
Probing exotic phenomena at the interface of nuclear and particle physics with the electric dipole moments of diamagnetic atoms: A unique window to hadronic and semi-leptonic CP violation
The current status of electric dipole moments of diamagnetic atoms which involves the synergy between atomic experiments and three different theoretical areas, i.e. particle, nuclear and atomic, is reviewed. Vari...
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Chapter and Conference Paper
Laser spectroscopy of atoms in superfluid helium for the measurement of nuclear spins and electromagnetic moments of radioactive atoms
A new laser spectroscopic method named “OROCHI (Optical RI-atom Observation in Condensed Helium as Ion catcher)” has been developed for deriving the nuclear spins and electromagnetic moments of low-yield exoti...
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Chapter and Conference Paper
Performance assessment of a new laser system for efficient spin exchange optical pum** in a spin maser measurement of 129Xe EDM
We demonstrate spin-exchange optical pum** of 129Xe atoms with our newly made laser system. The new laser system was prepared to provide higher laser power required for the stable operation of spin maser oscill...
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Article
Performance assessment of a new laser system for efficient spin exchange optical pum** in a spin maser measurement of 129Xe EDM
We demonstrate spin-exchange optical pum** of 129Xe atoms with our newly made laser system. The new laser system was prepared to provide higher laser power required for the stable operation of spin maser oscill...
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Article
Laser spectroscopy of atoms in superfluid helium for the measurement of nuclear spins and electromagnetic moments of radioactive atoms
A new laser spectroscopic method named “OROCHI (Optical RI-atom Observation in Condensed Helium as Ion catcher)” has been developed for deriving the nuclear spins and electromagnetic moments of low-yield exoti...
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Article
Open AccessExperimental search for the electron electric dipole moment with laser cooled francium atoms
A laser cooled heavy atom is one of the candidates to search for the permanent electric dipole moment (EDM) of the electron due to the enhancement mechanism and its long coherence time. The laser cooled franci...
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Article
EDM measurement in 129Xe atom using dual active feedback nuclear spin maser
The technique of an active nuclear spin maser is adopted in the search for electric dipole moment in a diamagnetic atom 129Xe. In order to reduce systematic uncertainties arising from long-term drifts of the exte...
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Article
Development of high-homogeneity magnetic field coil for 129Xe EDM experiment
We search for 129Xe EDM by using an active nuclear spin maser. In this experiment, the amplitude of the maser oscillation signal is one of the most important parameters that eventually determine the frequency pre...
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Chapter and Conference Paper
Vulnerability evaluation of multiplexing PUF for SVM attacks
Recently, semiconductor counterfeiting has become serious problems due to the advancement of reverse engineering technologies. The physical unclonable function (PUF) is now attracting attention as a technique ...
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Article
Search for electric dipole moment in 129Xe atom using a nuclear spin oscillator
We aim to measure the electric dipole moment (EDM) of a diamagnetic atom 129Xe using an optical-detection nuclear spin maser technique. The relation of EDM in a diamagnetic atom to nuclear Schiff moment and funda...
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Article
Nuclear spin maser and experimental search for 129 Xe atomic EDM
The present status of an active spin maser which is being developed for an experimental search for 129Xe atomic electric dipole moment (EDM) is presented. In order to realize the long term stability of maser freq...
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Article
Creation of polarized ultracold neutrons and observation of Ramsey resonance for electric dipole moment measurement
Polarized UCNs have been created by selecting only one spin state passing through a magnetized Fe foil. Typical degree of polarization was about 90 %. The polarization relaxation time in the prototype Ramsey c...
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Article
Novel method for the production of spin-aligned RI beams in projectile fragmentation reaction with the dispersion matching technique
A novel method to produce spin-aligned rare-isotope (RI) beam has been developed, that is the two-step projectile fragmentation method with a technique of dispersion matching. The present method was verified i...
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Article
Precise nuclear moments of extremely proton-rich nuclus 23 Al
Electric quadrupole coupling constant eqQ/h of the extremely proton-rich 23Al (I π = 5/2 + , T 1/2 = 0.47 s) nucleus implanted i...
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Article
Beta-NMR measurement of 58Cu in Si
The β-NMR study of short-lived nucleus 58Cu (I π = 1 + , T 1/2 = 3.2 s) in Si has been performed. Spin polarization of 58Cu indu...
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Article
Observation of iron impurity diffusion in silicon under bending stress by Mössbauer spectroscopy
External bending stress was applied to a 57Fe-doped n-type silicon wafer, and transmission Mössbauer spectra were measured at room temperature in order to observe directly stress induced diffusion of 57Fe atoms i...
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Article
Electric quadrupole moment of the neutron-rich 33Al
The nuclear electric quadrupole moment (Q moment) of the neutron-rich nucleus 33Al (I = 5/2 , T 1/2 = 41 ms) has been measured by the ...